<div class="btn-wrapper">
  <d-button-group>
    <d-button bsStyle="primary">按钮名称</d-button>
    <d-button icon="icon-select-arrow" bsStyle="primary"></d-button>
  </d-button-group>

  <div dDropDown [style.margin-left.px]="8">
    <d-button-group>
      <d-button bsStyle="common" dDropDownToggle>近期发布 <span class="icon-select-arrow"></span></d-button>
      <d-button icon="icon icon-setting" bsStyle="common"></d-button>
    </d-button-group>
    <ul dDropDownMenu class="devui-dropdown-menu" role="menu">
      <li role="menuitem">
        <a dDropDownMenuItem>JavaScript</a>
      </li>
      <li role="menuitem">
        <a dDropDownMenuItem>C++</a>
      </li>
    </ul>
  </div>
</div>
